CN201024954Y

CN201024954Y - Temperature preservation device for three-direction oil exploration well mouth

Info

Publication number: CN201024954Y
Application number: CNU2007201163336U
Authority: CN
Inventors: 张朝容; 林冬明; 季红; 黎才斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-29
Filing date: 2007-05-29
Publication date: 2008-02-20
Anticipated expiration: 2017-05-29

Abstract

The utility model discloses an attemperator for a ternary tubing wellhead, which is characterized in that: the production tube of an oil way channel has a fagging, which is connected to the flow line with an oil outlet valve; the outer of the bushing of a gas way channel has a fagging; the bushing is connected to the production pipe by a gas communication pip which is connected to the gas way fagging; the gas way fagging is connected to the fixed pressure discharge valve of a combined valve; the fixed pressure stop valve of the combination valve is communicated with the production pipe; a water way channel can be divided into a water down access, a well washing access and a straight access; wherein the water down access is connected to a water valve, a four way valve, a water down valve and as water down pipe one by one; a water communication pipe is arranged between the fagging of the bushing and the fagging of the production pipe which is communicated with the check valve of the combination valve; the adjusting valve of the combination valve is communicated with the production pipe; the well washing access consists of a well washing valve, a four way valve and a water supply valve; and the straight access consists of a water supply valve, a four way valve and a straight valve; wherein the straight valve is connected to the oil outlet. The utility model is simple in structure and well in temperature conservation.

Description

Ternary production wellhead attemperator

One, technical field

The utility model relates to the production wellhead attemperator, specifically is a kind of ternary production wellhead attemperator.

Two, background technology

In the oil production technology of oil field, oil field development enters high water-cut stage, in order to improve recovery ratio, to inject alkali toward the stratum, surfactant, ternary combinations such as polymer, after the crude oil extraction, will be at ground and gas, the water mixing is transported to metering room, to pass through production tree in the Crude Oil Transportation process, various valves that well head is installed and pipeline and mixes with hot water improves crude oil temperature to 33～35 ℃, exports smoothly after reducing viscosity, and these feed-lines all are equipped with 12 valves controls oil, gas, the path of water switches, valve applications is many, install and disperse, cause the oil in the ternary well head, gas, the path of water is installed and is disperseed, and the occupation of land space is big, complex structure, heat-retaining condition is poor; In addition, because the application of ternary combination, the pipe valve fouling is serious, and the dirt of knot is silicate, is difficult to remove, and adopts after the serious fouling of valve and changes new valve, causes the valve life cycle very short, and waste is serious.

Three, summary of the invention

The purpose of this utility model provides a kind of ternary production wellhead attemperator, will solve former ternary wellhead for production complex structure by this device, the problem of insulation difference.

The purpose of this utility model is achieved by following technical proposals: this ternary production wellhead attemperator comprises asphalt channel, gas channels, waterway channel; The production pipe of asphalt channel has muff outward, produces pipe and connects flowline, and delivery valve is arranged on the flowline; The sleeve pipe of gas channels has muff outward, between sleeve pipe and the production pipe there is gas communicating pipe, gas communicating pipe connects the gas circuit muff, and the gas circuit muff connects the valve discharging gas under certain pressure of combination valve, and the level pressure stop valve of combination valve is used for air-water mixture and crude oil outer defeated with producing the pipe connection; Waterway channel is divided into water mixing path, well-flushing path, through path, the water mixing path is by between water-supply valve, flushing valve, water mixing valve, the straight-through valve four-way being installed, the water mixing valve is connected the water mixing pipe with the muff of sleeve pipe, between the muff of the muff of sleeve pipe and production pipe be installed water communicating pipe, the muff of producing pipe is communicated with the flap valve of combination valve, and the control valve of combination valve is communicated with formation with the production pipe; The well-flushing path connects the well-flushing pipe by sleeve pipe, and flushing valve, four-way, water-supply valve formation are installed on the well-flushing pipe; Through path is connected and composed by pipeline between the straight-through valve and the fuel-displaced mouth of pipe by water-supply valve, four-way, straight-through valve.

After solving valve scaling, remove difficulty, the valve life cycle is very short, waste serious problem, the valve body and the valve seat that further are combination valve in the such scheme are dismountable, valve body and valve seat tighten together, valve body is connected successively by the valve body of valve discharging gas under certain pressure, level pressure stop valve, flap valve, control valve and is combined to form, and valve discharging gas under certain pressure communicates with the level pressure stop valve, and flap valve communicates with control valve; Valve seat is the flange valve seat, and the air inlet port of valve discharging gas under certain pressure, the gas outlet of level pressure stop valve, the water inlet of flap valve, the delivery port of control valve are arranged on it; The valve interior wall of flap valve, control valve is equipped with lining, and flap valve is equipped with lining with the valve interior wall at the control valve place of communicating, and the water inlet of the flap valve on the valve seat, the delivery port of control valve are equipped with lining.

The good effect that the utlity model has:

1, the utility model is optimized combination to pipeline, and is simple in structure, saves floor space, produces pipe and sleeve pipe muff all is housed outward, crude oil and natural gas is incubated high insulating effect by hot water.

2, the valve body of each valve and valve seat are dismountable in the utility model, and the entery and delivery port of valve interior wall and valve is equipped with lining, and is for convenience detach, lining can be pulled down after the dismounting, replace with new lining, need not to renew valve, guarantee the application life of valve.

Four, description of drawings

Fig. 1 is construction profile figure of the present utility model;

Fig. 2 produces the A of pipe valve group and sleeve pipe to vertical view among Fig. 1;

Fig. 3 is a B-B sectional view among Fig. 2;

Fig. 4 is the sectional view of combination valve in the utility model;

Fig. 5 is the sectional view of water-supply valve in the utility model.

Among the figure: 1 production pipe 2,2a muff 3 sample valves 4 check-valves 5 control valves 6 fixed pressure stop valves 7 valve discharging gas under certain pressure 8 combination valves 9 flange valve seats 10 gas circuit muffs 11 pressure gauge valves 12 gas communicating pipe, 13 flushing valves, the 14 four-ways 15 water-supply valves 16 straight-through valves 17 delivery valves 18 fuel-displaced mouth of pipe 19 water doping valves 20 well-flushing pipes 21 water mixing pipes 22 flowlines 23 sleeve pipes 24 water communicating pipe, 25 linings, 26 check-valves water inlets 27 round section joint rings 28 control valve delivery ports 29 fixed pressure stop valve gas outlets 30 aqueous vapors are converged chamber 31 valve discharging gas under certain pressure air inlets, 32 dividing plates, 33 flanges, 34 valve seats 35 without seat valve body 36 spools 37 pins 38 valve rods 39 valve gaps 40 water inlets 41 delivery ports

Five, the specific embodiment

The utility model is described in further detail below in conjunction with the specific embodiment:

Fig. 1 provides the construction profile figure of ternary production wellhead attemperator, Fig. 2 produces the A of pipe valve group and sleeve pipe to vertical view among Fig. 1, Fig. 3 is a B-B sectional view among Fig. 2, in conjunction with Fig. 1, Fig. 2, shown in Figure 3, this ternary production wellhead attemperator comprises asphalt channel, gas channels, waterway channel.The production pipe 1 of asphalt channel is equipped with sample valve 3 and passes its outer field muff 2, produces pipe 1 and connects flowline 22, and delivery valve 17 is arranged on the flowline 22, and an end of delivery valve 17 is the fuel-displaced mouth of pipe 18, produces on the pipe 1 pressure gauge valve 11 also is housed; The hot water temperature who produces in the pipe 1 outer field muff 2 reaches more than 70 ℃, it carries out interchange of heat with the oil of producing in pipe 1, the sample valve 3, mix in the production pipe by control valve 5, improve the crude oil temperature in the oil circuit, make the oily temperature in the oil circuit be not less than 33 ℃-35 ℃, prevent that the oil product in the oil circuit from solidifying, the assurance oil circuit is unimpeded, crude oil enters flowline 22, and by delivery valve 17, crude oil is defeated outside the fuel-displaced mouth of pipe 18.

The sleeve pipe 23 of gas channels passes its outer field muff 2a, between sleeve pipe 23 and the production pipe 1 there is gas communicating pipe 12, gas communicating pipe 12 connects gas circuit muff 10, gas circuit muff 10 will be produced pipe 1 outer field chuck by dividing plate 32 and be divided into two parts and form, a part is a muff 2, another part is gas circuit muff 10, gas circuit muff 10 connects the valve discharging gas under certain pressure 7 of combination valve, valve discharging gas under certain pressure 7 communicates with the level pressure stop valve 6 of combination valve 8, level pressure stop valve gas outlet 29 is converged chamber 30 by aqueous vapor and is communicated with production pipe 1, and pressure gauge valve 11 also is housed on the sleeve pipe 23; Saturated gas in the sleeve pipe 23 at first with muff 2a in hot water carry out sufficient interchange of heat, natural gas is played the effect of insulation, prevent that saturated gas from freezing below 0 ℃, after gas communicating pipe 12, gas circuit muff 10, enter valve discharging gas under certain pressure 7, behind valve discharging gas under certain pressure 7 steady pressures, make by oneself and press the level pressure stop valve 6 that air valve 7 enters combination valve, converge 30 li in chamber in aqueous vapor again and mix, enter at last that to produce in the pipe 1 crude oil in producing pipe 1 outer defeated with hot water.

Waterway channel is divided into water mixing path, well-flushing path, through path, the water mixing path is by the four-way of installing between water-supply valve 15 and water-supply valve 15 and flushing valve 13, water mixing valve 19, the straight-through valve 16 14, be connected water mixing pipe 21 between water mixing valve 19 and the sleeve pipe muff 2a, sleeve pipe muff 2a and 2 installation water communicating pipes 24 of producing the pipe muff, produce the flap valve 4 that pipe muff 2 is communicated with combination valve 8, flap valve 4 is communicated with the control valve 5 of combination valve 8, and control valve 5 converges chamber 30 by aqueous vapor and is communicated with outside the formation defeated with production pipe 1; The self-supporting water valve 15 of hot water enters four-way 14, water mixing valve 19, water mixing pipe 21 and enters sleeve pipe muff 2a, here with sleeve pipe 23 in natural gas carry out interchange of heat, laggard entry communicating pipe 24 of interchange of heat, enter again and produce pipe muff 2, carry out interchange of heat with the crude oil of producing in the pipe 1 here, enter flap valve 4, control valve 5 after the interchange of heat again, self-regulating valve 5 enters aqueous vapor and converges chamber 30 and mix with natural gas, enters at last that to produce the crude oil of pipe 1 in producing pipe 1 outer defeated.

The well-flushing path connects well-flushing pipe 20 by sleeve pipe, flushing valve 13 is installed on the well-flushing pipe 20, flushing valve 13 is by four-way 14 formation that communicates with water-supply valve 15, when well-flushing, water mixing path and gas channels are closed, hot water enters down-hole wax, well-flushing by water-supply valve 15, four-way 14, flushing valve 13, well-flushing pipe 20, sleeve pipe 23.

Through path is by water-supply valve 15, four-way 14, straight-through valve 16, and straight-through valve 16 connects and composes by pipeline again and between the fuel-displaced mouth of pipe 18, and when stopping production maintenance, the self-supporting water valve 15 of hot water, four-way 14, straight-through valve 16 enter flowline 22, guarantee that external transport pipeline is unimpeded.

The utility model is simple in structure, saves floor space, produces outside pipe 1 and the sleeve pipe 23 muff all is housed, and crude oil and natural gas is incubated high insulating effect by hot water.

Fig. 4 is the sectional view of combination valve in the utility model, as shown in the figure, the valve body of combination valve 8 and valve seat are dismountable, valve body and valve seat are by bolton together, valve body is connected successively by the valve body of valve discharging gas under certain pressure 7, level pressure stop valve 6, flap valve 4, control valve 5 and is combined to form, valve discharging gas under certain pressure 7 communicates with level pressure stop valve 6, and flap valve 4 communicates with control valve 5; Valve seat is a flange valve seat 9, and valve discharging gas under certain pressure air inlet port 31, level pressure stop valve gas outlet 29, flap valve water inlet 26, control valve delivery port 28 are arranged on it; The valve interior wall of flap valve 4, control valve 5 is equipped with lining 25, flap valve 4 is equipped with lining 25 with the valve interior wall at control valve 5 places of communicating, flap valve water inlet 26, control valve delivery port 28 on the valve seat are equipped with lining 25, and the lining in the utility model is an oil resistant heatproof soft material; Round section joint ring 27 is equipped with in valve body lower end face and corresponding position, flange valve seat 9 upper surface.When each the valve fouling in the combination valve 8 need be removed, unload bolt, valve body and valve seat are separated, the lining 25 of fouling can be pulled down, the lining that more renews need not to renew valve, guarantees the application life of valve.

The structure of the delivery valve 17 in the utility model, water-supply valve 15, water mixing valve 19, flushing valve 13, straight-through valve 16 is identical, what Fig. 5 provided is the sectional view of water-supply valve 15 in the utility model, as shown in the figure, water-supply valve 15 is made of no seat valve body 35, valve gap 39, valve rod 38, spool 36, valve seat 34, water inlet 40, delivery port 41; Valve gap 39 is threaded with no seat valve body 35, and valve gap 39 is equipped with round section joint ring 27 with no seat valve body 35 junctions, and valve rod 38 connects spool 36 by pin 37, and valve rod 38, spool 36 are installed in the valve pocket of no seat valve body 35 and valve gap 39 formation; Valve seat 34 is installed in no seat valve body 35 lower ends, and valve seat 34 embeds in the no seat valve body 35 for the cylindrical shell of band boss, and no seat valve body 35 is equipped with round section joint ring 27 with valve seat 34 junctions; No seat valve body 35 passes through bolton together with flange 33, and valve seat 34 constitutes delivery port 41 with the hole of flange 33, and round section joint ring 27 is installed in the upper surface of flange 33; The inwall of no seat valve body 35, delivery port 41, water inlet 40 is equipped with the soft lining 25 of oil resistant heatproof.When needing scale removal, valve gap 39 and no seat valve body 35 can be taken apart, no seat valve body 35 is taken apart with valve seat 34, no seat valve body 35 is taken apart with flange 33, thereby the lining 25 of the fouling that the inwall that will not have seat valve body 35, delivery port 41, water inlet 40 is equipped with is dismantled, replace with new lining, solved the scale removal problem of delivery valve 17, water-supply valve 15, water mixing valve 19, flushing valve 13, straight-through valve 16 so again, and need not to change new valve because of scale removal.

Claims

1. ternary production wellhead attemperator, comprise asphalt channel, gas channels, waterway channel, it is characterized in that: muff (2) is arranged outside the production pipe (1) of asphalt channel, produce pipe (1) and connect flowline (22), delivery valve (17) is arranged on the flowline (22); Muff (2a) is arranged outside the sleeve pipe of gas channels (23), between sleeve pipe (23) and the production pipe (1) there is gas communicating pipe (12), gas communicating pipe (12) connects gas circuit muff (10), gas circuit muff (10) connects the valve discharging gas under certain pressure (7) of combination valve (8), and the level pressure stop valve (6) of combination valve (8) is used for air-water mixture and crude oil outer defeated with producing pipe (1) connection; Waterway channel is divided into water mixing path, well-flushing path, through path, the water mixing path is by between water-supply valve (15), flushing valve (13), water mixing valve (19), the straight-through valve (16) four-way (14) being installed, water mixing valve (19) is connected water mixing pipe (21) with sleeve pipe muff (2a), between sleeve pipe muff (2a) and the production pipe muff (2) be installed water communicating pipe (24), produce the flap valve (4) that pipe muff (2) is communicated with combination valve (8), the control valve (5) of combination valve (8) is communicated with formation with production pipe (1); The well-flushing path connects well-flushing pipe (20) by sleeve pipe (23), and well-flushing pipe (20) is gone up flushing valve (13), four-way (14), water-supply valve (15) formation are installed; Through path is connected and composed by pipeline between the straight-through valve (16) and the fuel-displaced mouth of pipe (18) by water-supply valve (15), four-way (14), straight-through valve (16).

2. ternary production wellhead attemperator according to claim 1, it is characterized in that: the valve body of described combination valve and valve seat are dismountable, valve body and valve seat tighten together, valve body is connected successively by the valve body of valve discharging gas under certain pressure (7), level pressure stop valve (6), flap valve (4), control valve (5) and is combined to form, valve discharging gas under certain pressure (7) communicates with level pressure stop valve (6), and flap valve (4) communicates with control valve (5); Valve seat is flange valve seat (9), and the air inlet port (31) of valve discharging gas under certain pressure, the gas outlet (29) of level pressure stop valve, the water inlet (26) of flap valve, the delivery port (28) of control valve are arranged on it; The valve interior wall of flap valve (4), control valve (5) is equipped with lining (25), flap valve (4) is equipped with lining (25) with the valve interior wall at control valve (5) place of communicating, the delivery port (28) of the water inlet of the flap valve on the valve seat (26), control valve is equipped with lining (25), and round section joint ring (27) is equipped with in valve body lower end face and flange valve seat (9) corresponding position, upper surface.

3. ternary production wellhead attemperator according to claim 1, it is characterized in that: the structure of described delivery valve (17), water-supply valve (15), water mixing valve (19), flushing valve (13), straight-through valve (16) is identical, and they constitute by no seat valve body (35), valve gap (39), valve rod (38), spool (36), valve seat (34), water inlet (40), delivery port (41); Valve gap (39) is threaded with no seat valve body (35), valve gap (39) is equipped with round section joint ring (27) with no seat valve body (35) junction, valve rod (38) connects spool (36) by pin (37), and valve rod (38), spool (36) are installed in the valve pocket of no seat valve body (35) and valve gap (39) formation; Valve seat (34) is installed in no seat valve body (35) lower end, and valve seat (34) embeds in the no seat valve body (35) for the cylindrical shell of band boss, and no seat valve body (35) is equipped with round section joint ring (27) with valve seat (34) junction; No seat valve body (35) passes through bolton together with flange (33), and valve seat (34) constitutes delivery port (41) with the hole of flange (33), and round section joint ring (27) is installed in the upper surface of flange (33); The inwall of no seat valve body (35), delivery port (41), water inlet (40) is equipped with the soft lining of oil resistant heatproof (25).